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    METHODS OF SHIMMING AN ASSEMBLY
    32.
    发明申请
    METHODS OF SHIMMING AN ASSEMBLY 有权

    公开(公告)号：US20220258848A1

    公开(公告)日：2022-08-18

    申请号：US17628958

    申请日：2020-07-15

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Jonathan D. Zook ,  Larry S. Hebert ,  Chris A. Praggastis ,  Jacob P. Jones ,  Susan E. DeMoss

    IPC: B64C1/12 ,  B29C65/78

    Abstract: Methods for making structural shims (220) for the mating assembly of parts, such as for installation between a skin (212) and substructure (214) of an aircraft. The methods include the steps of disposing a hardenable composition (216) into a gap between the first (212) and second parts (214), hardening the hardenable composition to provide a shim pattern (218) that is dimensionally stable, and removing the shim pattern from the gap without damage. The shim pattern can be used to provide a digital model thereof, which can in turn be used to fabricate the structural shim (220).

    Plating bronze on polymer sheets
    33.
    发明授权
    Plating bronze on polymer sheets 有权

    公开(公告)号：US11293111B2

    公开(公告)日：2022-04-05

    申请号：US15571118

    申请日：2016-06-13

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Steven Y. Yu ,  Gene B. Nesmith ,  Larry S. Hebert

    IPC: C25D3/58 ,  C25D5/18 ,  C25D5/56 ,  C23C28/02 ,  C22C9/02 ,  C25D5/34

    Abstract: An electroplated article is provided comprising a polymeric substrate bearing an electroplated metal layer comprising copper and tin in an atomic ratio of less than 96:4, in some embodiments less than 87:13 and in some embodiments less than 82:18; wherein the atomic ratio of copper to tin is greater than 55:45, and wherein the electroplated metal layer comprises at least 3.5 weight % tin. The electroplated metal layer comprises an alloy having a melting point of less than 1050° C. and in some cases less than 800° C. The electroplated metal layer has a Young's Modulus of less than 15.0 GPa, in some embodiments less than 13.0 GPa, and in some less than 10.0 GPa. In addition, an electroplating solution is provided comprising Cu(II) ions, Sn (II) ions, Zn(II) ions, 1-methionine, and no cyanide anion.

    LIGHTNING STRIKE PROTECTION FILM
    34.
    发明申请
    LIGHTNING STRIKE PROTECTION FILM 有权

    公开(公告)号：US20210367416A1

    公开(公告)日：2021-11-25

    申请号：US16978406

    申请日：2019-06-06

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Larry S. Hebert

    IPC: H02G13/00 ,  B32B3/12 ,  B32B15/14

    Abstract: Lightning strike protection films, along with related assemblies and methods, are provided. These films include an electrically-conductive layer having a plurality of perforations arranged in a hexagonal lattice pattern, wherein the perforations are generally hexagonal. Advantageously, conductive films based on hexagonal perforations can provide greater protection than circular holes for the equivalent weight conductor, thus providing superior lightning strike protection for a given weight.

    LIGHT WEIGHT SEAL CAP
    38.
    发明申请
    LIGHT WEIGHT SEAL CAP 审中-公开

    公开(公告)号：US20190120276A1

    公开(公告)日：2019-04-25

    申请号：US16217197

    申请日：2018-12-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Jonathan D. Zook ,  Larry S. Hebert ,  Michael D. Swan ,  Sheng Ye ,  Susan E. DeMoss ,  Robin E. Wright

    IPC: F16B37/14 ,  B64D45/02

    Abstract: The present disclosure provides methods and articles useful in sealing fasteners, including seal caps and methods of their use, and in particular light weight seal caps having higher dielectric breakdown strength, lower weight, and/or lower wall thickness. In some embodiments, the seal caps according to the present invention are made of a material having a dielectric breakdown strength of greater than 1.0 kV/mm, in some embodiments greater than 15.0 kV/mm, and in some embodiments greater than 50.0 kV/mm. In some embodiments, the seal caps according to the present invention are thin-walled, having an average wall thickness of less than 1.5 mm and in some embodiments less than less than 0.5 mm. In some embodiments, the seal cap comprises a polyurethane polymer, a polythioether polymer, a polysulfide polymer, a fluorinated thermoplastic polymer, a THV polymer, a fluorinated thermoset polymer, an engineering thermoplastic, and/or a PEEK polymer.

    Light weight seal cap
    39.
    发明授权
    Light weight seal cap 有权

    公开(公告)号：US10174781B2

    公开(公告)日：2019-01-08

    申请号：US14783916

    申请日：2014-04-15

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Jonathan D. Zook ,  Larry S. Hebert ,  Michael D. Swan ,  Sheng Ye ,  Susan E. DeMoss ,  Robin E. Wright

    IPC: F16B37/14 ,  B64D45/02

    Abstract: The present disclosure provides methods and articles useful in sealing fasteners, including seal caps and methods of their use, and in particular light weight seal caps having higher dielectric breakdown strength, lower weight, and/or lower wall thick-ness. In some embodiments, the seal caps according to the present invention are made of a material having a dielectric breakdown strength of greater than 1.0 kV/mm, in some embodiments greater than 15.0 kV/mm, and in some embodiments greater than 50.0 kV/mm. In some embodiments, the seal caps according to the present invention are thin-walled, having an average wall thickness of less than 1.5 mm and in some embodiments less than less than 0.5 mm In some embodiments, the seal cap comprises a polyurethane polymer, a polythioether polymer, a polysulfide polymer, a fluorinated thermoplastic polymer, a THV polymer, a fluorinated thermo-set polymer, an engineering thermoplastic, and/or a PEEK polymer.

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